131557322141040 has 80 divisors (see below), whose sum is σ = 407829779107488. Its totient is φ = 35081773605888.

The previous prime is 131557322140997. The next prime is 131557322141137. The reversal of 131557322141040 is 40141223755131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 131557322141040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49615974 + ... + 52200186.

Almost surely, 2^{131557322141040} is an apocalyptic number.

131557322141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131557322141040 is an abundant number, since it is smaller than the sum of its proper divisors (276272456966448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131557322141040 is a wasteful number, since it uses less digits than its factorization.

131557322141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796346 (or 2796340 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

Adding to 131557322141040 its reverse (40141223755131), we get a palindrome (171698545896171).

The spelling of 131557322141040 in words is "one hundred thirty-one trillion, five hundred fifty-seven billion, three hundred twenty-two million, one hundred forty-one thousand, forty".